Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172074 | Concentration/calcination process of zinc silicated minerals and concentrate zinc silicate based product | — | 2007-02-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172074 | Concentration/calcination process of zinc silicated minerals and concentrate zinc silicate based product | — | 2007-02-06 |